Originally Posted by Paul Waters

I checked with a friend of my who is a high market real estate agent.

The biggest way to interfere and add time and cost is to **not** have a very good idea of what you want to feature.

And what kind of effects you want in the video. Consider intro, transitions, ending. Music. Any lettering.

Don't do this, and your time estimates are correct. Do it, and cut them in half.

Good luck.